Those elements, with electronic configuration of valence shell ns2np6 show little tendency to react chemically, are called:
Correct answer: D. Noble gases
- A. Lanthanides
- B. Actinides
- C. Alkali metal
- D. Noble gases
Explanation
Elements with the electronic configuration of valence shell ns²np⁶ are known as noble gases. These elements are chemically inert due to their completely filled valence electron shells, making them highly stable and unreactive with other elements.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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